{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "manufacturing standard", "application", "machanical property", "process parameter", "concept or principle"], "input": "Liquid Metal Jetting ( LMJ ) involves the jetting of molten metal in a process similar to inkjet printing , whereby individual molten droplets are ejected and connected to each other ."}
{"engineering feature": [], "manufacturing standard": [], "application": [], "machanical property": [], "process parameter": [], "concept or principle": ["process", "droplets"]}